Inventor: Earl Wallace Ross
Inventor: Edward Burton Le Grice
Inventor: Edward Burton Le Grice
Inventor: Frederic W. Anderson
Inventor: Brooks, Bert, Brooks, Glenn M.
Inventor: Verschuren, Hendrikus Antonie Maria
Inventor: Williams, Fred D.
Inventor: Johnston, Walter I.
Inventor: Schafer, Wilhelm, Schafer, Marie
Inventor: Barcafer, Myron T.
Inventor: Cumming, Alexander
Inventor: Steidle, John W. Jr.
Inventor: Bourgondien, C. J. Van
Inventor: Bourgondien, C. J. Van
Inventor: Bourgondien, C. J. Van
Inventor: Kordes, Wilhelm
Inventor: Johnston, Walter Irwin
Inventor: Roland, Phillips H.
Inventor: Honaker, Ollie S.
Inventor: Ragin, Robert Lee